Fossil Crinoid (Calyx)

Object/Artifact

Crater Rock Museum

Name/Title

Fossil Crinoid (Calyx)

Entry/Object ID

78.57.82

Description

One fossil crinoid calyx, which is the cuplike-flowerbud structure at the uppermost end of the "sea lily" stalk. The calyx contained the animal's mouth, anus, and most other internal organs. It was also the attachment site for the animals many "feathered" feeding arms. Calyx exterior has a pentagonal pattern with a filled (permineralized) hollow on its dorsal (top) side.

Collection

Delmar Smith Collection

Acquisition

Accession

78.57

Source or Donor

Delmar Smith Fossil Collection

Acquisition Method

Donation

Dimensions

Dimension Notes

1.625" (4 cm)